1314438709 has 2 divisors, whose sum is σ = 1314438710. Its totient is φ = 1314438708.

The previous prime is 1314438679. The next prime is 1314438731. The reversal of 1314438709 is 9078344131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1109089809 + 205348900 = 33303^2 + 14330^2 .

It is a cyclic number.

It is not a de Polignac number, because 1314438709 - 2¹³ = 1314430517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1314438779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 657219354 + 657219355.

It is an arithmetic number, because the mean of its divisors is an integer number (657219355).

Almost surely, 2^1314438709 is an apocalyptic number.

It is an amenable number.

1314438709 is a deficient number, since it is larger than the sum of its proper divisors (1).

1314438709 is an equidigital number, since it uses as much as digits as its factorization.

1314438709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 1314438709 is about 36255.1887183062. The cubic root of 1314438709 is about 1095.4186063099.

The spelling of 1314438709 in words is "one billion, three hundred fourteen million, four hundred thirty-eight thousand, seven hundred nine".